Home / 4,939,940.20-7,409,910.30-3,148,349.80

Finding the Fourth Proportional to 4,939,940.20, 7,409,910.30 and 3,148,349.80

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Solution

The fourth proportional to 4,939,940.20, 7,409,910.30 and 3,148,349.80 is: 4,722,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,940.20 : 7,409,910.30 = 3,148,349.80 : x
  2. Step 2: Convert to fraction form
    4,939,940.20/7,409,910.30 = 3,148,349.80/x
  3. Step 3: Cross multiply
    4,939,940.20x = 7,409,910.30 × 3,148,349.80
  4. Step 4: Simplify right side
    4,939,940.20x = 23,328,989,611,022.94
  5. Step 5: Solve for x
    x = 23,328,989,611,022.94/4,939,940.20
  6. Step 6: Final answer
    x = 4,722,524.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.